用山、石、花等将园林中一些不足或丑陋之处加以掩盖或处理,使之变成一种美景的方法叫( )。
A.框景B.夹景C.障景D.抑景
参考答案:C
某计算机数据总线为16位,内存按字节编址,地址从B4000H到DBFFFH,共有 (59) 字节。若用存储容量为16KX 16bit的存储器芯片构成该内存,至少需要 (60) 片。
(60)处填()。
A.2
B.5
C.8
D.10
What does a SART signal sound or look like?()
A.It transmits "SOS" and the vessel's name and position in slow speed Morse Code
B.It will appear on a radar unit's PPI as a line of dots radiating outward with the innermost dot indicating the SART's position
C.It will appear on a radar unit's PPI as a line of dots radiating outward with the outermost dot indicating the SART's position
D.None of the above